3 hjfs \- file server maintenance
45 The following commands should be written to the console of an
50 disables permission checking and allows
52 This may help in initializing a file system.
53 Use this with caution.
59 creates a file on the current file system.
63 are names or numbers from
66 is the low 9 bits of the permission mode of the file, in octal.
72 creates a locked file, append-only file, or directory.
75 prints the number of free, used and total blocks/megabytes.
76 It scans the block table and can be slow on large hard disks.
79 restores permission checking back to normal after a file system
83 immediately starts a dump.
91 causes all executed commands to be printed on the system console.
93 reverses the effects of
103 With no options it adds user
109 and makes the directory
111 owned by user and group
121 Add a group: add the name to
123 but don't create the directory.
124 By convention, groups are numbered starting from 10000, users from 0.
139 is missing, remove the existing leader.
144 to the member list of
150 from the member list of
156 command the file server overwrites
158 to reflect the internal state of the user table.
161 writes dirty blocks in memory to the magnetic disk cache.
163 Note: Debug commands operate on internal data
164 structures; they are inherently dangerous and can cause
168 changes the value of the byte at the specified
170 in the in-memory directory entry and prints
173 Dangerous if used carelessly.
178 argument. It prints the directory entry of
182 prints the physical blocks of
184 corresponding to the logical block
186 or the logical blocks between
191 Check disk usage (output appears on the system console).
194 % echo df >>/srv/hjfs.cmd
202 should perhaps be less crazy and have a portable interface.